3. Three-screw pump for delivery of fuel oil, lubricating oil, hydraulic oil, crude oil, asphalt and other similar liquid lubricating oil. 三螺杆泵适用于输送燃料油、润滑油、液压油、原油、沥青及其他类似油的润滑性液体。
4. Three-screw pump for delivery of fuel oil, lubricating oil, hydraulic oil, crude oil, asphalt and other similar liquid lubricating oil. 三螺杆泵适用于输送燃料油、润滑油、液压油、原油、沥青及其他类似油的润滑性液体。
5. Three-screw pump for delivery of fuel oil, lubricating oil, hydraulic oil, crude oil, asphalt and other similar liquid lubricating oil. 三螺杆泵适用于输送燃料油、润滑油、液压油、原油、沥青及其他类似油的润滑性液体。